   [r]
   (instance? java.util.regex.Pattern r))
 
+(defn wildcard-path?
+  [key-path]
+  (regex? (second (path-split key-path))))
+
 (defn- get-absolute-path
   [path]
   (reduce 

  (let [p (resolve-path key-path)
        paths (.paths p)
        values 
        (if (= 1 (count paths)) 
          (map #(conj (first paths) %) 
               (sort (keys (get-in @FS_ROOT (first paths)))))
          (sort paths))]

  (let [p (if (keyword? parts) [parts] parts)
        [base last-path] (path-split p)]
    (if (regex? last-path)
      (let [base-path (resolve-single-path base)
            base-dir (get-in @FS_ROOT base-path) 
            ks (filter #(re-matches last-path (str %)) (keys base-dir))]
        (if (empty? ks)
